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All results from a given calculation for CH3O (Methoxy radical)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-115.017713
Energy at 298.15K-115.020639
Nuclear repulsion energy34.406782
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3071 2912 53.78      
2 A 3034 2877 38.44      
3 A 2963 2810 0.99      
4 A 1555 1475 5.56      
5 A 1421 1348 14.31      
6 A 1410 1337 17.21      
7 A 1155 1096 8.84      
8 A 990 939 1.36      
9 A 935 886 42.42      

Unscaled Zero Point Vibrational Energy (zpe) 8266.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 7839.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31G*
ABC
5.26046 0.93513 0.92936

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 0.000 -0.012
O2 0.790 0.000 -0.008
H3 -0.867 -0.002 1.055
H4 -1.010 0.908 -0.456
H5 -1.010 -0.906 -0.459

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36331.10701.10101.1010
O21.36331.96882.06552.0654
H31.10701.96881.76971.7696
H41.10102.06551.76971.8141
H51.10102.06541.76961.8141

picture of Methoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 H3 105.218 O2 C1 H4 113.469
O2 C1 H5 113.462 H3 C1 H4 106.551
H3 C1 H5 106.536 H4 C1 H5 110.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 O -0.288      
3 H 0.210      
4 H 0.174      
5 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.978 -0.001 0.236 1.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.113 0.001 -0.241
y 0.001 -12.506 -0.001
z -0.241 -0.001 -11.421
Traceless
 xyz
x -1.149 0.001 -0.241
y 0.001 -0.238 -0.001
z -0.241 -0.001 1.388
Polar
3z2-r22.776
x2-y2-0.607
xy0.001
xz-0.241
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 20.649
(<r2>)1/2 4.544